Function TestSlashClearWipesTerminalScrollback

internal/tui/tui_test.go:857–866

TestSlashClearWipesTerminalScrollback: tea.ClearScreen (\x1b[2J) clears only the visible region; the saved-lines buffer needs the DECSED 3 sequence from eraseScrollback. /clear must emit both, or prior lines stay scrollable above the reset banner.

(t *testing.T)

	// bypassing cfg.Save(): what a user would do in an external editor.
	yaml := []byte(`active: local
models:
  local:
    llm: local-model
    url: ` + m.cfg.Models["local"].URL + `
    key: ""
    context_size: 131072
  remote:
    llm: cloud-model
    url: http://remote:9000
    key: sk-r
    context_size: 200000
`)
	if err := os.WriteFile(filepath.Join(m.cfg.Dir, "config.yaml"), yaml, 0o600); err != nil {